ONE-FIFTH
\wˈɒnfˈɪfθ], \wˈɒnfˈɪfθ], \w_ˈɒ_n_f_ˈɪ_f_θ]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.